Jul 04, 2026Tiffany & Co. Art Deco Platinum Royal Blue Sapphire Diamond Ring GIA CertifiedEst. $34,940-$39,132$12,750Diamond DepotNew York, NY
Buy NowRare Antique Tiffany & Co. 18k Yellow Gold Emerald Diamond Halo Ring$18,630(23 bids)BidhausNew York, NY
Jul 15, 2026TIFFANY & CO 1.12 CARAT OLD EUROPEAN CUT F VS2 DIAMOND PLATINUM ENGAGEMENT RINGEst. $18,000-$20,118$14,750Modern JewelryValley Village, CA
Jul 15, 2026TIFFANY & CO 1.16CT OLD MINER CUT DIAMOND PLATINUM VINTAGE ENGAGEMENT RINGEst. $23,154-$25,878$19,000Modern JewelryValley Village, CA
Jul 05, 2026Tiffany & Co. Art Deco Platinum Royal Blue Sapphire Diamond Ring GIA CertifiedEst. $20,553-$26,718$100(1 bid)BidhausNew York, NY
Jul 02, 2026Tiffany & Co. 14K Yellow Gold Burma Sapphire Diamond Navette RingEst. $29,061-$32,548$7,800Diamond DepotNew York, NY
Jul 05, 2026VINTAGE TIFFANY & CO PLATINUM ENGAGEMENT RING 0.85CT. NATURAL DIAMOND SIZE 7Est. $9,350-$10,450$7,700Modern JewelryValley Village, CA
Buy NowTiffany & Co. Art Deco Platinum Royal Blue Sapphire Diamond Ring GIA Certified$20,020Diamond DepotNew York, NY
Buy NowTiffany & Co. Art Deco Platinum Royal Blue Sapphire Diamond Ring GIA Certified$20,020BidhausNew York, NY
Buy NowTiffany & Co. Art Deco Platinum Royal Blue Sapphire Diamond Ring GIA Certified$20,020(34 bids)BidhausNew York, NY